(19)

(11)

EP 1 695 509 A1

(12)

(43) Date of publication: 30.08.2006 Bulletin 2006/35 (21) Application number: 03819130.0 (22) Date of filing: 16.12.2003

(51) International Patent Classification (IPC):  H04L 29/06(2006.01) (86) International application number: PCT/EP2003/014328 (87) International publication number: WO 2005/060199 (30.06.2005 Gazette 2005/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR (71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (publ) 164 83 Stockholm (SE)	(72) Inventors: NIEBERT, Norbert 52074 Aachen (DE) HARTUNG, Frank 52134 Herzogenrath (DE) KELLER, Ralf 52146 Würselen (DE) (74) Representative: Röthinger, Rainer  c/o Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 81541 München 81541 München (DE)